X-Axis unwanted points

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
<br/><!-- Just so that JSFiddle's Result label doesn't overlap the Chart -->
<div id="chartContainer" style="height: 360px; width: 100%;"></div>

JavaScript

var chart = new CanvasJS.Chart("chartContainer",
	{
		animationEnabled: true,
		title: {
		text: "Line Chart"
	},
	axisX: {
		valueFormatString: "DD/MM/YY",
		interval: 1,
		intervalType: "day",
    showInLegend: true,
		gridColor: "lightblue" ,
		gridThickness: 2,
		labelAngle: 270
	},
    axisY: {
        includeZero: false,
        gridColor: "lightgreen"      
	},
  data: [{				
    dataPoints: [
      { x: new Date(2020,01,01), y: 71 },
      { x: new Date(2020,01,02), y: 55},
      { x: new Date(2020,01,05), y: 95 },
      { x: new Date(2020,01,06), y: 68 },
      { x: new Date(2020,01,07), y: 28 },
      { x: new Date(2020,01,08), y: 34 },
      { x: new Date(2020,01,09), y: 14}
    ]
  }]
});

chart.render();